Doctor profile · Federal record

Dr. Aaron Zaks, DO

Family Medicine Physician (CMS: Family Practice) · Benicia, CA

  • NPI 1447600317
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1440 Military W Ste 101
Benicia, CA 945102446
(707) 745-0711
fax (707) 745-0788

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
May 19, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A15814

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447600317. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
528
Distinct HCPCS
5
Medicare allowed
$78,110
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 218 139 $136
99215 Established patient office or other outpatient visit, 40-54 minutes 195 97 $198
98926 Osteopathic manipulative treatment, 3-4 body regions 64 23 $51
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 32 32 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $101

In context: peer comparison

Among 2 peers in Benicia Family Medicine Physician, average services per provider: 96. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,040
Patients
356
Total drug cost
$14,033
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 177 69 $2,182
Lisinopril Generic 107 38 $831
Levothyroxine Sodium Generic 90 32 $1,361
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 83 31 $1,833
Metformin Hcl Generic 72 26 $890
Rosuvastatin Calcium Generic 72 22 $990
Tamsulosin Hcl Generic 64 21 $1,245
Losartan Potassium Generic 58 21 $947
Trazodone Hcl Generic 57 18 $650
Amlodipine Besylate Generic 52 20 $293

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Zaks's medical specialty?
Dr. Aaron Zaks practices Family Medicine Physician in Benicia, CA.
Where does Dr. Aaron Zaks practice?
Dr. Aaron Zaks practices at 1440 Military W Ste 101, Benicia, CA 945102446. Office phone: 7077450711.
What is Dr. Aaron Zaks's NPI?
Dr. Aaron Zaks's National Provider Identifier (NPI) is 1447600317, issued by NPPES.
Does Dr. Aaron Zaks accept Medicare assignment?
Yes. Dr. Aaron Zaks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Zaks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Osteopathic manipulative treatment, 3-4 body regions (HCPCS 98926). Source: CMS Medicare Physician & Other Practitioners file.